Description
Reviews
| Brand | - |
| Category | Root / Hardware & Tools |
| Origin | - |
| Material | 304 Stainless Steel |
| Finish | Polished / Galvanized Options |
| Shape | Square |
| Compatibility | Standard Aluminum Profiles (T-Slot) |
| Thread Type | Metric (M4, M5, M6, M8) |
| Corrosion Resistance | High (Suitable for Indoor/Outdoor) |
| Package Contents | Nuts, Washers, and Screw Caps |
| Application | Industrial Framing, DIY Projects, Machinery Assembly |
| Durability | Heavy-Duty Load Bearing |
| Certification | ISO 9001 Compliant Manufacturing |
Anonymous
Mar 24, 2026
Rating: 4/5
Solid hardware
Very sturdy construction. The only reason I didn't give 5 stars is that the M6 caps were a tiny bit tight to push on by hand, requiring pliers, but once on, they are very secure.
Anonymous
Mar 24, 2026
Rating: 5/5
Essential for modular builds
I've ordered these multiple times for various client projects. The consistency in thread quality is impressive. They hold torque well and don't loosen under vibration as much as cheaper alternatives.
Anonymous
Mar 23, 2026
Rating: 5/5
Great value for bulk purchase
Bought a large kit for a custom CNC enclosure. Everything arrived neatly organized. The square washers distribute pressure evenly, preventing damage to the aluminum profile slots.
Anonymous
Mar 17, 2026
Rating: 5/5
Exactly as described
Needed specific rectangular screw caps for a repair job, and these matched perfectly. The invoicing was provided quickly which helped with my expense report. Will buy again.
Anonymous
Mar 12, 2026
Rating: 5/5
Perfect fit for my workshop frames
These square nuts slide into the T-slots of my aluminum profiles effortlessly. The 304 stainless steel feels very solid and doesn't strip easily when tightening. Highly recommended for anyone building workbenches.
Anonymous
Mar 10, 2026
Rating: 4/5
Good quality, fast shipping
The galvanization on the iron caps looks durable. I used them for an outdoor garden structure. One star off because the package mix had slightly fewer washers than expected, but the nuts themselves are excellent.
Q: Are these compatible with 2020 series aluminum profiles?
A: Yes, our square nuts are designed to fit standard 2020, 3030, and 4040 series T-slot aluminum profiles commonly used in industrial framing.
Q: Do you provide an official invoice for business purchases?
A: Absolutely. As mentioned in the product description, invoicing is available. Please add your company details in the order notes or contact us after purchase.
Q: Is the thread metric or imperial?
A: Our standard stock uses Metric threads (M4, M5, M6, M8). If you require imperial sizes, please message us directly to check availability for custom orders.
Q: What is the difference between the stainless steel and galvanized options?
A: The 304 Stainless Steel offers superior corrosion resistance for harsh or wet environments, while the Galvanized Iron option provides a cost-effective solution with good protection for indoor or dry outdoor use.
Q: Can these withstand high vibration environments?
A: Yes, when paired with appropriate thread-locking fluid or spring washers (sold separately), these square nuts perform well in high-vibration machinery applications.
Manufacturer Sales Fully Automatic Pasteurization Production Line Vegetable Blanching Equipment Bottled Milk Sterilization Line
$12,740.00
Pomegranate Juice Grape Juice Pasteurization Tank Orange Juice Apple Juice Sterilizer Complete Mare's Milk Pasteurized Milk Production Line
$6,048.00
Ouyang Style Medium Regular Script: 52 Ancient Poems on Xuan Paper Large Character Copybook for Beginners - Ink-Blot Resistant
$12.00
Honeywell 7950 Phase Change Pad Thailand Import Laptop CPU GPU Thermal Interface Material Heat Sink Paste
$14.80
Calligraphy Arm Rest Felt Pad - Mini Brocade Felt Hand Rest for Chinese Painting and Calligraphy Practice, Inkstone Mat by Meilin Brush Studio
$7.48
Trail Running Silicone Hydration Bladder - Foldable 500ML Pocket Water Bag for Hiking and Outdoor Sports
$22.00
Steel Wheel Lug Nuts for Car Modification, Compatible with Civic, Mazda6, Reiz, Sylphy, Extended External Hex Nut Caps
$75.55
Mobile Gantry Crane – Manual Push-Run Small Home Hoist (1/2/3/5 Ton)
$1,244.00
Taiwan Ginger Shredder - Multi-Function Stainless Steel Slicer for Potatoes, Carrots, and Ginger
$5,200.00
Iers Electric Airbrush/Marker Pen Wireless Handheld Portable for Gundam Model Painting
$322.00
Commercial Glass Food Warmer Display Case for Egg Tarts, Hamburgers, Fried Chicken, and Youtiao - Countertop Heating Cabinet for Catering
$1,795.00
Premium Used Tires Removed from Vehicles Sizes 155 165 175 185 195 205 215 225
$54.00
Storage Bag Compatible with Dyson/Laifen Hair Dryer Curling Iron Straightener Double-Layer Portable Travel Hand-Carry Case
$48.40
Chushinmi - Silicone Collapsible Dish Drying Rack, Kitchen Organizer, Sink Utensil Holder for Bowls and Chopsticks
$61.90
Wenxin Tang Ultra-Clear Zhi Yong Thousand Character Classic Regular Script Calligraphy Cards - Boxed Practice Sheets for Medium-Sized Brush Writing
$40.80
Cute Pig Pot Lid Holder and Drainage Mat, Multi-Function Heat Insulator and Cutting Board Rest
$2.01
![[Damai Micro-Needle Hair Transplant Patent] Top Scalp Thinning Treatment | High-Density 200 Grafts Micro-Needle Transplant](https://www.gosteppe.com/cache/small/product/269847/legacy-main-921c5365abd34b2597668ec5.webp)
[Damai Micro-Needle Hair Transplant Patent] Top Scalp Thinning Treatment | High-Density 200 Grafts Micro-Needle Transplant
$199.00
Song Dynasty Guo Xi's 'Traveling in Snowy Mountains' Hanging Scroll - Study Copy Template, Art Core, Landscape Painting, Zen Decorative Art, HD Collectible
$12.80
Drain Basket for Wet/Dry Separation with Hanging Vegetable Strainer Rack
$111,978.00
Custom Mesh Lid Organizer Bag for Pelican 1535 Case - Laptop Compartment
$118.70
Home LED High-Power Rechargeable Flashlight, Multi-Purpose Long-Range Portable Ultra-Bright Mini Torch
$20.60
Accsoon CineEye M7 Pro 4K Wireless Video Transmitter and Monitor with 7-inch HDMI/SDI Dual-Transmission Screen
$99.00
Stainless Steel Sink Rack Kitchen Organizer Over-Sink Dish Drying Rack with Utensil Holder
$48.00
Specialized Vegetable Growing Box - Foam Balcony Planter, Rectangular Plastic Pot for Home Gardening
$41.70
Thickened Resin Vegetable Planter Box - Rectangular Plastic Balcony Pot for Growing Vegetables and Flowers
$101.00
SEATOSUMMIT Outdoor Travel Portable Waterproof First Aid Kit Wilderness Survival Personal Medical Folding Storage Bag
$79.00
Commercial Gas Storage Water Heater, Condensing Low-NOx Boiler, Fully Automatic Natural Gas Hot Water Furnace for Hotels
$13,175.00
SH1.0/1.25/ZH1.5/PH2.0XH2.54 Electronic Wire Connector Terminal Cable 2P-12P
$0.04
VFD Capacitor ALS30A1363KJ/ALS30C1024NP/ALS30C1023NP
$500.00
200X18DNNmm L Shape Stainless Stel Corern Brace Repeair Ang
$88.28
![[Yugan Member Bulk Pack] Official Authentic Flagship Store Multiple Options Exclusive Medical Hyaluronic Acid Condoms](https://www.gosteppe.com/cache/medium/product/278183/legacy-main-c19ff6b8c4e5a8efea786d28.webp)
![[Black Gold 001 3-in-1] Durex Condoms Official Flagship Store; Ultra-Thin Authentic Safety Sets Bulk Pack](https://www.gosteppe.com/cache/medium/product/275389/legacy-main-7400ceae4a3df34eb3abed82.png)
